Residents of Dysart, Dudley, Harcourt & C. — Sub-district K, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 20 | illman | annette | F | 35 | Anglican | English | United States | No Occupation Listed | 154 |
| 22 | illman | elenor | F | 17 | Anglican | English | United States | Teachers (unspecified) | 154 |
| 21 | illman | grace | F | 27 | Anglican | English | United States | No Occupation Listed | 154 |
| 23 | illman | mable | F | 15 | Anglican | English | United States | No Occupation Listed | 154 |
| 25 | illman | madge | F | 13 | Anglican | English | Ontario | No Occupation Listed | 154 |
| 24 | illman | philip | M | 15 | Anglican | English | United States | Farmers, general and nfs | 154 |
| 19 | illman | william | M | 64 | Anglican | English | England | Farmers, general and nfs | 154 |
| 13 | ingles | elizabeth | F | 12 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 10 | ingles | george | M | 39 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 63 |
| 12 | ingles | george | M | 14 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 14 | ingles | isabella | F | 10 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 17 | ingles | james | M | 0 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 11 | ingles | jennet | F | 38 | Presbyterian | Scottish | Scotland | No Occupation Listed | 63 |
| 15 | ingles | maggie | F | 6 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 16 | ingles | mary | F | 22 | Presbyterian | Scottish | Ontario | No Occupation Listed | 63 |
| 6 | iredale | joseph | M | 19 | Anglican | English | England | Farmers, general and nfs | 9 |
| 21 | irwin | jane | F | 13 | Presbyterian | Irish | Ontario | No Occupation Listed | 177 |
| 19 | irwin | john | M | 40 | Anglican | Irish | Ontario | Farmers, general and nfs | 177 |
| 24 | irwin | john | M | 3 | Presbyterian | Irish | Ontario | No Occupation Listed | 177 |
| 23 | irwin | joseph | M | 10 | Presbyterian | Irish | Ontario | No Occupation Listed | 177 |
| 20 | irwin | margaret | F | 35 | Presbyterian | Irish | Ireland | No Occupation Listed | 177 |
| 22 | irwin | robert | M | 12 | Presbyterian | Irish | Ontario | No Occupation Listed | 177 |